package com.sfilyh.servelt;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@WebFilter(filterName="loginFilter",urlPatterns= {"/bz-admin/*"})
public class LoginFilter implements Filter {

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest _request = (HttpServletRequest) request;
		HttpServletResponse _response  = (HttpServletResponse) response;
		if(_request.getSession().getAttribute("LOGIN") == null){
			_response.sendRedirect(_request.getContextPath()+"/to_manage");
		}else{
			chain.doFilter(request, response);
		}		
	}
	
	public void init(FilterConfig fConfig) throws ServletException {
		
	}

	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

}
